Agent Name

Diphenylmethane

CAS Number

101-81-5

Formula

C13-H12

Major Category

Other Classes

Synonyms

1,1'-Methylenebisbenzene; 1,1'-Dimethylenebis(benzene); Benzene, (phenylmethyl)-; Benzene, 1,1'-methylenebis-; Benzene, benzyl-; Benzylbenzene; Ditan; Ditane; Methane, diphenyl-; Toluene, alpha-phenyl-; [ChemIDplus] UN3082

Category

Aromatic Hydrocarbons

Description

Colorless solid; mp = 26.5 deg C; [Hawley] Liquid; [MSDSonline] Forms needles with a harsh geranium-like odor; [Ullmann]

Sources/Uses

Used for organic synthesis; in dyes; in fragrances, flavor compounds, and perfumery; in solvents for cellulose lacquers; in the manufacture of hexachlorophene, benzophenone, and pharmaceuticals; [HSDB] Used in fragrances, dyes, polyesters, and jet fuels; [Ullmann]

Comments

May cause irritation; No other information available about toxicity in humans; Oral LD50 (rat) = 2250 mg/kg; [MSDSonline]

Exposure Assessment
Vapor Pressure

0.00821 mm Hg

Explanatory Notes

Flash point = 130 deg C; [Hawley] The Guide in the Emergency Response Guidebook is for "Environmentally hazardous substances, liquid, n.o.s."

Flammability (NFPA)

1: Must be preheated

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Other Information

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